Q: About 10 years ago, I replaced the original wired smoke alarms in my home with wired dual sensors that use both ...

Smoke detectors use various smoke-detecting mechanisms: photoelectric sensors, ionization sensors or a combination of the two, called "dual sensors." We don't need to go too deeply into the ...

or choose a model that utilizes both ionization and photoelectric sensors. A silence or hush button so you can quickly silence false alarms caused by cooking smoke. There must be one smoke alarm ...